<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <link rel="shortcut icon" href="./favicon.ico" type="image/x-icon">
  <!-- <link rel="stylesheet" href="./lib/Build/Cesium/Widgets/widgets.css">
  <link rel="stylesheet" href="./assets/css/pretty.css">
  <script src="./lib/Build/Cesium/Cesium.js"></script>
  <script src="./lib/supermap/SuperMap.Include.js"></script>
  <script src="./lib/require.js" data-main="main.js"></script> -->
  <title>react-template</title>
  <script>
    (function (doc, win) {
      var docEl = doc.documentElement,
        resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
        recalc = function () {
          var clientWidth = docEl.clientWidth
          if (!clientWidth) return
          if (clientWidth >= 640) {
            docEl.style.fontSize = '16px'
          } else {
            docEl.style.fontSize = 16 * (clientWidth / 640) + 'px'
          }
        }
      if (!doc.addEventListener) return
      win.addEventListener(resizeEvt, recalc, false)
      recalc()
    })(document, window)
  </script>
</head>

<body>
  <div id="app"></div>
</body>

</html>